I must field-strip you must field-strip she must field-strip we must field-strip you must field-strip they must field-strip
Forme en V-ing
I must be field-striping you must be field-striping she must be field-striping we must be field-striping you must be field-striping they must be field-striping
Perfect
I must have field-striped you must have field-striped she must have field-striped we must have field-striped you must have field-striped they must have field-striped
Perfect en V-ing
I must have been field-striping you must have been field-striping she must have been field-striping we must have been field-striping you must have been field-striping they must have been field-striping
Négation
Forme simple
I mustn't field-strip you mustn't field-strip she mustn't field-strip we mustn't field-strip you mustn't field-strip they mustn't field-strip
Forme en V-ing
I mustn't be field-striping you mustn't be field-striping she mustn't be field-striping we mustn't be field-striping you mustn't be field-striping they mustn't be field-striping
Perfect
I mustn't have field-striped you mustn't have field-striped she mustn't have field-striped we mustn't have field-striped you mustn't have field-striped they mustn't have field-striped
Perfect en V-ing
I mustn't have been field-striping you mustn't have been field-striping she mustn't have been field-striping we mustn't have been field-striping you mustn't have been field-striping they mustn't have been field-striping
Forme interrogative
Forme simple
must I field-strip? must you field-strip? must she field-strip? must we field-strip? must you field-strip? must they field-strip?
Forme en V-ing
must I be field-striping? must you be field-striping? must she be field-striping? must we be field-striping? must you be field-striping? must they be field-striping?
Perfect
must I have field-striped? must you have field-striped? must she have field-striped? must we have field-striped? must you have field-striped? must they have field-striped?
Perfect en V-ing
must I have been field-striping? must you have been field-striping? must she have been field-striping? must we have been field-striping? must you have been field-striping? must they have been field-striping?
Forme interro-négative
Forme simple
mustn't I field-strip? mustn't you field-strip? mustn't she field-strip? mustn't we field-strip? mustn't you field-strip? mustn't they field-strip?
Forme en V-ing
mustn't I be field-striping? mustn't you be field-striping? mustn't she be field-striping? mustn't we be field-striping? mustn't you be field-striping? mustn't they be field-striping?
Perfect
mustn't I have field-striped? mustn't you have field-striped? mustn't she have field-striped? mustn't we have field-striped? mustn't you have field-striped? mustn't they have field-striped?
Perfect en V-ing
mustn't I have been field-striping? mustn't you have been field-striping? mustn't she have been field-striping? mustn't we have been field-striping? mustn't you have been field-striping? mustn't they have been field-striping?